ChemicalBook > CAS DataBase List > Ethyl 4-bromobenzoylformate

Ethyl 4-bromobenzoylformate

Product Name
Ethyl 4-bromobenzoylformate
CAS No.
20201-26-7
Chemical Name
Ethyl 4-bromobenzoylformate
Synonyms
Ethyl 2-(4-bromophenyl)-2-oxoacetate;Ethyl p-bromophenylglyoxylate;ETHYL 4-BROMOBENZOYL FORMATE;ETHYL 4-BROMOPHENYLGLYOXYLATE;2-(4-bromophenyl)-2-oxoacetate;ETHYL 4-(BROMOPHENYL)GLYOXALATE;Ethyl (4-bromophenyl)(oxo)acetate;4-BROMOBENZOYLFORMICACIDETHYLESTER;Benzeneacetic acid, 4-bromo-α-oxo-, ethyl ester;BENZENEACETIC ACID, 4-BROMO-A-OXO-, ETHYL ESTER
CBNumber
CB8226350
Molecular Formula
C10H9BrO3
Formula Weight
257.08
MOL File
20201-26-7.mol
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Ethyl 4-bromobenzoylformate Property

Boiling point:
322°C
Density 
1.480
Flash point:
149°C
storage temp. 
Sealed in dry,Room Temperature
Appearance
Light yellow to yellow Liquid
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Safety

Hazard Codes 
Xi
HS Code 
2918999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
E900993
Product name
Ethyl2-(4-Bromophenyl)-2-oxoacetate
Packaging
100mg
Price
$60
Updated
2021/12/16
SynQuest Laboratories
Product number
2629-9-05
Product name
Ethyl 4-bromophenylglyoxylate
Packaging
250mg
Price
$120
Updated
2021/12/16
SynQuest Laboratories
Product number
2629-9-05
Product name
Ethyl 4-bromophenylglyoxylate
Packaging
1g
Price
$180
Updated
2021/12/16
Matrix Scientific
Product number
086354
Product name
Ethyl 4-bromobenzoyl formate
Purity
97%
Packaging
1g
Price
$345
Updated
2021/12/16
AK Scientific
Product number
R021
Product name
Ethyl4-bromobenzoylformate
Packaging
25g
Price
$490
Updated
2021/12/16
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Ethyl 4-bromobenzoylformate Chemical Properties,Usage,Production

Synthesis

108-86-1

4755-77-5

20201-26-7

To a stirred mixture of bromobenzene (0.7 mL, 6.5 mmol) and monoethyl oxalyl chloride (0.7 mL, 6.5 mmol) in dichloromethane (12 mL) was added aluminum trichloride (1.7 g, 12.5 mmol) in one batch. The reaction mixture was stirred at 0°C for 30 minutes before slowly warming to room temperature and continuing to stir for 18 hours. After completion of the reaction, the mixture was carefully poured into concentrated hydrochloric acid at 0°C to quench the reaction. Subsequently, the mixture was extracted with dichloromethane (3 × 100 mL). The organic layers were combined, washed with saturated saline (100 mL), dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by silica gel column chromatography (eluent: ethyl acetate/petroleum ether = 1:20) to afford ethyl 4-bromophenylglyoxylate (1.0 g, 60% yield) as a yellow oil. Mass spectrometry (ESI+) analysis: C10H9BrO3 theoretical value [M+H]+ 256, measured value 257, 259 [M+H]+.

References

[1] Journal of Organic Chemistry, 1996, vol. 61, # 18, p. 6407 - 6415
[2] Tetrahedron Letters, 2006, vol. 47, # 16, p. 2675 - 2678
[3] Chemical Science, 2018, vol. 9, # 48, p. 8930 - 8936
[4] Patent: US2016/31892, 2016, A1. Location in patent: Paragraph 0156-0158
[5] Journal of Organic Chemistry, 2008, vol. 73, # 10, p. 3842 - 3847

Ethyl 4-bromobenzoylformate Preparation Products And Raw materials

Raw materials

Preparation Products

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20201-26-7, Ethyl 4-bromobenzoylformateRelated Search:

Ethyl cyanoacetate Ethyl glyoxalate Ethyl pyruvate 2-(2-Aminothiazol-4-yl)glyoxylic acid Ethyl oleate Ethanol Ethylparaben Ethyl acetate Ethyl formate Ethyl bromoacetate Ethyl acrylate Ethyl bromodifluoroacetate Glyoxylic acid ISOXADIFEN-ETHYL 4-Bromophenylglyoxal hydrate Ethyl 4-bromophenylacetate 4'-Bromoacetophenone (4-BROMO-PHENYL)-OXO-ACETALDEHYDE

  • BENZENEACETIC ACID, 4-BROMO-A-OXO-, ETHYL ESTER
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  • 20201-26-7
  • C10H9O3Br